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/ Comparison of Radeon R9 390 and GeForce GTX TITAN
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Comparison of Radeon R9 390 and GeForce GTX TITAN
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Attribute
GeForce GTX TITAN
×
Radeon R9 390
×
GPU
Release year (year)
2013
2015
GPU brand
Nvidia
AMD
GPU name
GK110
Grenada
Market
Desktop
Desktop
Clock speed (MHz)
836
1,000
Turbo clock speed (MHz)
876
-
Is dual GPU
-
-
Model
GeForce GTX TITAN
Radeon R9 390
Memory
Memory (MB)
6,144
8,192
Memory bandwidth (GB/s)
288.4
-
Memory bus (bit)
384
512
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,502
1,500
Effective memory clock speed (MHz)
6,008
6,000
Noise and power
1
↑
TDP (W)
250
275
Load power consumption (W)
429
-
Idle power consumption (W)
111
-
Load noise level (dB)
51
-
Idle noise level (dB)
37.8
-
Raw performance
Pixel rate (GPixel/s)
46.8
64
SMX units
14
-
Render output processors
48
64
Texture mapping units
224
160
Shading units
2,688
2,560
Floating-point performance (GFLOPS)
4,494
5,120
Compute units
-
40
Texture rate (GTexel/s)
187.3
160
Benchmarks
Metro: Last Light
-
75
Crysis 3
70
-
Bioshock Infinite
140
59
Cloud Gate Factor
22.82
21.89
Face detection (mPixels/s)
66.04
120.3
Bitcoin mining (mHash/s)
253.47
607.36
Sky Diver Factor
438.4
418.55
Fire Strike Factor
75.41
72.81
Ocean surface simulation (frames/s)
1844.01
3168.89
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